CN206641998U - A kind of biological antibiotic hydroscopic sanitary material - Google Patents

Abstract

The utility model patent, which discloses, a kind of can be applied to medical bandaging material, sanitary belt, sanitary napkin, the biological antibiotic hydroscopic sanitary material of paper diaper and preparation method.From top to bottom lamination sets antibacterial liquid permeability surface layer, antiseptic absorbent cores, opaque liquid bottom successively, the antibacterial liquid permeability surface layer is the non-woven fabrics that individual layer or double-deck biological antibiosis agent arranged, and biological antibiosis agent is the one or more in ε polylysines and/or ε polylysines hydrochloride, natamycin, nisin (nisin)；Antibiotic property absorbent cores include：Biological bactericide is ε polylysines, one or more of mixtures in ε polylysines hydrochloride, natamycin, nisin, polymer water-absorbent, Time of Fluff Slurry, plant extracts；Backing layer is microporous breathable film.This biological antibiotic hydroscopic sanitary material has the advantages of Durability of antimicrobial effect is good, antimicrobial spectrum is wide, biological safety is high, reverse osmosis rate is low.

Description

A biological antibacterial water-absorbing sanitary material

technical field

The utility model relates to a biological antibacterial water-absorbing sanitary material and a preparation method which can be applied to medical dressing materials, sanitary pads, sanitary napkins and paper diapers.

Background technique

Water-absorbing hygienic materials such as trauma hemostatic materials, sanitary pads, sanitary napkins, and diapers are widely used in patients, women, infants, and disabled people. Since water-absorbing hygienic materials are in direct contact with the skin and absorb body fluids, they can easily become a "culture medium" for bacteria to proliferate, resulting in an explosive increase in the number of microorganisms. Although water-absorbing sanitary materials can be sterilized or antibacterially treated on the surface of the product, the product can meet the microbial index control requirements before use, but the microorganisms can exceed the standard in a short time after use, which will pose a certain threat to human health.

Through searching, it is found that the published documents related to this patent application mainly include:

On January 15, 2014, the Chinese Patent Office announced "Chitosan Nanofiber Hemostatic Material and Its Preparation Method", the publication number is CN103505758A. The chitosan nanofiber hemostatic material is a core-shell nanofiber, and the shell Polysaccharide forms the shell of nanofibers, and polyvinyl alcohol forms the core of nanofibers. The diameter of core-shell nanofibers is 100nm-20μm; the molecular weight of chitosan is 50000-1500000, and the degree of deacetylation is 50%-100%. The molecular weight of the polyvinyl alcohol is 5000-200000; according to the following weight ratio: 30-100 parts of chitosan, 0-70 parts of polyvinyl alcohol, and the weight parts of chitosan and polyvinyl alcohol are the same. However, chitosan has poor antibacterial activity and is easily affected by external environmental factors, which limits its actual use effect. Moreover, it uses electrospinning technology, which has low production efficiency and is difficult to scale production.

On February 26, 2013, the Chinese Patent Office announced "an antibacterial sanitary napkin", the publication number is CN102908229A, which is characterized in that: an antibacterial chip is provided between the liquid-permeable top layer and the absorbent core; the antibacterial chip includes an upper isolation layer, a lower isolation layer and an antibacterial layer evenly distributed between the upper and lower isolation layers. The antibacterial layer includes fluff pulp and antibacterial powder. The main components of the antibacterial powder are tea polyphenols, chitosan, excipients and pH regulators. The antibacterial powder is wet granulated into granular solids. However, chitosan has poor antibacterial activity and is easily affected by external environmental factors, which limits its practical effect.

On May 22, 2013, the China Patent Office announced "Antibacterial Fabric Cloth Sanitary Napkin", the publication number is CN103110478A, which is characterized in that: the surface layer is made of fiber fabric, and the fiber fabric is finished by at least one of the following fabric finishing agents : Fabric antibacterial finishing agent, fabric moisture-absorbing and quick-drying finishing agent, fabric cooling finishing agent. The fabric antibacterial finishing agent includes: organic fabric antibacterial finishing agent, natural chitin-chitosan fabric antibacterial finishing agent and other finishing agents with fabric antibacterial function. What this invention adopts is antibacterial finishing of the surface layer, except natural chitin-chitosan, does not clarify the active ingredient of organic antibacterial finishing agent.

On January 06, 2016, the China Patent Office announced "a sanitary napkin with an antibacterial super absorbent composite material as the absorbent core". It is an antibacterial superabsorbent composite material, a superabsorbent paper bag, and a dust-free paper. The antibacterial superabsorbent composite material is completely encapsulated by the superabsorbent paper bag, and the superabsorbent paper bag is further encapsulated by the dust-free paper. Its antibacterial material is superabsorbent antibacterial fiber, but it is not specified what kind of superabsorbent antibacterial fiber.

On July 22, 2015, the Chinese Patent Office announced "A Method for Making Antibacterial Sanitary Napkin", the publication number is CN104783966A, which is characterized in that: the inner core is made of bamboo fiber, cotton fiber and wood pulp; fiber to make toilet paper; bamboo fiber, cotton fiber and tree fiber are used to make antibacterial non-woven fabric; all personal materials are made of natural raw materials, which will not cause any damage to the skin; to a good antibacterial effect. Its antibacterial active ingredients are bamboo fiber and mulberry fiber, although they are pure natural ingredients, but their antibacterial activity is low, so they are not suitable for long-term use.

On May 27, 2015, "An antibacterial and deodorant paper diaper and its preparation method" was announced by the Chinese Patent Office. The publication number is CN104645406A. ~130 parts by weight, 12~18 parts by weight of nano silver powder, 3~7 parts by weight of polyethylene wax, the functional absorbent core includes the following raw materials by weight: 50~72 parts by weight of nano-silica hollow spheres, micronized silica gel 20-31 parts by weight, 41-47 parts by weight of corn flour, 8-12 parts by weight of lavender essential oil, 12-15 parts by weight of clove, 10-17 parts by weight of polyvinylpyrrolidone, 100-120 parts by weight of fluff pulp, superabsorbent resin 26-37 parts by weight. It uses nano-silver powder as the antibacterial active material of the liquid-permeable surface layer, but the nano-silver powder is only used as the antibacterial active material of the liquid-permeable surface layer, and basically has no antibacterial activity for the core material.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a biological antibacterial water-absorbing sanitary material and a preparation method.

In order to achieve the above purpose, the utility model is achieved through the following technical solutions: a biological antibacterial water-absorbing sanitary material and its preparation method, comprising an antibacterial liquid-permeable surface layer, an antibacterial functional absorbent core, A liquid-impermeable bottom layer, the antibacterial liquid-permeable surface layer is a non-woven fabric finished with a single or double layer of biological antibacterial agent, and the biological antibacterial agent is ε-polylysine and/or ε-polylysine salt One or more of salt, natamycin, nisin (nisin), the amount of biological antibacterial agent is 0.1-0.5‰ of the quality of the liquid-permeable surface non-woven fabric, and the non-woven fabric finished with biological antibacterial agent Longitudinal or grid-type diversion grooves are pressed by woven fabric, and the non-woven fabric is open-hole ES (Ethylene-Propylene Side By Side) or PP (polypropylene) hot-air or hot-rolled non-woven fabric or non-woven bio-cellulose composite film, The pore area is 0.05-0.2mm ² , and the opening rate is 8-20%. The antibacterial absorbent core includes the following raw materials: biocides are ε-polylysine, ε-polylysine hydrochloride, natamycin, One or several mixtures of nisin, the mass ratio accounts for 0.1-0.5% of the core material; the polymer water-absorbing agent is one or two mixtures of superabsorbent resin and γ-polyglutamic acid, and the mass ratio accounts for the core 20-55% of the material; the mass ratio of fluff pulp accounts for 43.5-80% of the core material, and the plant extract is one or more mixtures of menthol, rose essential oil, jasmine essential oil, and lavender essential oil, and the mass ratio is 43.5-80% of the core material. 0-1%; the back layer is a microporous breathable film.

A method for preparing a biological antibacterial water-absorbing sanitary material, including the preparation of a liquid-permeable surface layer and a functional absorbent core. The preparation method of the antibacterial liquid-permeable surface layer is: spraying ε-polylysine A solution composed of one or more of acid and/or ε-polylysine hydrochloride, natamycin, and nisin, and the amount of biological antibacterial agent is 0.1-0.5‰ of the mass of the liquid-permeable surface layer non-woven fabric , press the open-hole non-woven fabric with single-layer or double-layer spray antibacterial agent into longitudinal or grid-type diversion grooves, the total open area is 8-20% of the liquid-permeable surface area, and then according to the shape requirements of the product The antibacterial liquid-permeable surface layer can be obtained by cutting; the preparation method of the antibacterial functional absorbent core is to first add biocides ε-polylysine and ε-polylysine salt with a mass ratio of 0.1-0.5% of the core material One or more mixtures of salt, natamycin, nisin, one or two mixtures of superabsorbent resin and/or γ-polyglutamic acid with a mass ratio of 20-55% of the core material, The mass ratio accounts for 43.5-80% of the core material. Mix the fluff pulp evenly. If necessary, mix the plant extract with the mixed biological antibacterial agent, polymer water-absorbing agent and fluff pulp. The plant extracts are menthol and rose essential oil. , jasmine essential oil, lavender essential oil or one or several mixtures, the mass ratio is 0-1% of the core material, and the mixed functional absorbent material is pressed into shape, and further cutting can also be carried out according to the shape requirements of the product. The prepared antibacterial functional absorbent core is respectively covered with an antibacterial liquid-permeable surface layer and a microporous breathable film bottom layer, and is compacted and bonded to form.

By adopting the foregoing technical scheme, the beneficial effects of the utility model are: the biological antibacterial water-absorbing sanitary material of the utility model includes an antibacterial liquid-permeable surface layer, an antibacterial functional absorbent core, and a liquid-impermeable bottom layer sequentially stacked from top to bottom , the liquid-permeable surface layer includes a biological antibacterial agent that is one or more of food grade ε-polylysine or ε-polylysine hydrochloride, natamycin, nisin (natamycin and nisin are not used alone), the amount of biological antibacterial agent is 0.1-0.5‰ of the quality of the liquid-permeable surface layer non-woven fabric, the food-grade biological antibacterial agent has good antibacterial activity, has good antibacterial effect on bacteria and fungi, and has a wide antibacterial spectrum , non-allergic, with extremely high biological safety, non-woven fabrics finished with biological antibacterial agents to press longitudinal or grid-type diversion grooves, non-woven fabrics are open-pore ES or PP hot-air or hot-rolled non-woven fabrics or non-woven fabrics Woven bio-cellulose composite membrane with a pore area of 0.05-0.2mm ² and a porosity of 8-20%. Appropriate diversion grooves, porosity and pore area and non-woven bio-cellulose composite membrane ensure the rapid flow of liquid Uniform absorption and low reverse osmosis rate make the surface dry; the antibacterial functional absorbent core includes the following raw materials in parts by weight: the biocides are ε-polylysine, ε-polylysine hydrochloride, nata One or several mixtures of mycin and nisin (natamycin and nisin are not used alone), the mass ratio accounts for 0.1-0.5% of the core material, and the polymer water-absorbing agent is superabsorbent resin and γ-polyglutamine One or two mixtures of acids, the mass ratio accounts for 20-55% of the core material, the fluff pulp accounts for 43.5-80% of the core material, and the plant extracts are menthol, rose essential oil, jasmine essential oil, and lavender essential oil One or several mixtures, the mass ratio is 0-1% of the core material, and the mass ratio is 0.1-0.5%. The biocide ensures that the material has long-term good antibacterial activity, safety and economy after absorbing 10 times of water, and high Molecular water-absorbing agent is superabsorbent resin and γ-polyglutamic acid to ensure good water absorption of the product. Theoretically, it can guarantee the absorption of liquid more than 100 times the quality of the product, and the plant extract can provide the product with a pleasant aroma.

Description of drawings

Figure 1 is a cross-sectional view of a biological antibacterial water-absorbing sanitary material

Figure 2 is a cross-sectional view of the antibacterial liquid-permeable surface layer of PP-biological cellulose-biological cellulose-PP sandwich structure

Explanation of reference signs

1. Antibacterial liquid-permeable surface layer; 2. Antibacterial functional absorbent core; 3. Liquid-impermeable bottom layer;

a, antibacterial liquid-permeable surface layer double-layer nonwoven fabric biocellulose composite film upper layer PP part; b, antibacterial liquid-permeable surface layer double-layer nonwoven fabric biocellulose composite film upper layer biocellulose part; c, antibacterial permeability The lower biocellulose part of the double-layer nonwoven fabric biocellulose composite membrane of the liquid surface layer; d, the PP part of the lower layer of the double-layer nonwoven fabric biocellulose composite membrane of the antibacterial liquid-permeable surface layer.

detailed description

The implementation of the utility model will be described in detail below in conjunction with specific examples, so that the utility model can fully understand and implement the implementation process of how to apply technical means to solve technical problems and achieve technical effects in the utility model.

Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art, and the reagents and products used are also commercially available. The sources, trade names and, where necessary, listing of constituents of reagents used are indicated the first time they appear.

Embodiment one

A biological antibacterial water-absorbing sanitary material, comprising an antibacterial liquid-permeable surface layer, an antibacterial functional absorbent core, and a liquid-impermeable bottom layer sequentially stacked from top to bottom, the antibacterial liquid-permeable surface layer is a single-layer biological antibacterial The non-woven fabric treated with antibacterial agent, the biological antibacterial agent is ε-polylysine hydrochloride with a liquid-permeable surface non-woven fabric quality of 0.1‰, and the non-woven fabric treated with biological antibacterial agent is pressed into the vertical flow guide groove, without The woven fabric is open-hole ES air-through non-woven fabric, with a pore area of 0.05mm ² and an open porosity of 8%. The antibacterial absorbent core includes ε-polylysine hydrochloride with a mass ratio of 0.1% of the core material, and a mass ratio of 0.1% of the core material. The material is 20% superabsorbent resin, the mass ratio of fluff pulp accounts for 78.9% of the core material, the plant extract is menthol, and the mass ratio is 1% of the core material, and the back layer is a microporous breathable film.

A method for preparing a biological antibacterial water-absorbing sanitary material, including the preparation of an antibacterial liquid-permeable surface layer and an antibacterial functional absorbent core. Amino acid hydrochloride, the dosage is 0.1‰ of the quality of the liquid-permeable surface layer non-woven fabric, and the non-woven fabric after spraying the antibacterial agent in a single layer is pressed into the longitudinal diversion groove, and the non-woven fabric is the open-hole ES hot-air non-woven fabric , the pore area is 0.05mm ² , the opening rate is 8%, and then cut according to the shape requirements of the product to obtain the antibacterial liquid-permeable surface layer; Biological bactericide ε-polylysine hydrochloride, superabsorbent resin with a mass ratio of 20% of the core material, and fluff pulp with a mass ratio of 78.9% of the core material are mixed evenly, and then mint with a mass ratio of 1% of the core material The brain plant extract is mixed with the mixed biological antibacterial agent, polymer water-absorbing agent and fluff pulp, and the mixed functional absorbent material is pressed into shape, and can also be further cut according to the shape requirements of the product; the prepared antibacterial The functional absorbent core is covered with an antibacterial liquid-permeable surface layer and a microporous breathable film bottom layer respectively, which are compacted and bonded to form.

Embodiment two

A biological antibacterial water-absorbing sanitary material, comprising an antibacterial liquid-permeable surface layer, an antibacterial functional absorbent core, and a liquid-impermeable bottom layer sequentially stacked from top to bottom, the antibacterial liquid-permeable surface layer is a double-layer biological antibacterial The non-woven fabric finished with antibacterial agent, the biological antibacterial agent is ε-polylysine hydrochloride with a quality of 0.3‰ of liquid-permeable surface non-woven fabric and 0.1‰ natamycin, and the nonwoven fabric treated with biological antibacterial agent The cloth presses the grid-like diversion groove, the non-woven fabric is open-pore PP hot-rolled non-woven fabric, the pore area is 0.2mm ² , the opening rate is 20%, and the antibacterial absorbent core includes ε-polymer with a mass ratio of 0.3% of the core material. Lysine hydrochloride and 0.1% natamycin, superabsorbent resin with a mass ratio of 30% of the core material and gamma-polyglutamic acid with a mass ratio of 25% of the core material, and fluff pulp with a mass ratio of the core material 44.6% of the total, the back layer is a microporous breathable film.

A method for preparing a biological antibacterial water-absorbing sanitary material, including the preparation of an antibacterial liquid-permeable surface layer and an antibacterial functional absorbent core. Lysine hydrochloride and natamycin, the amount of ε-polylysine hydrochloride is 0.3‰ of the mass of the liquid-permeable surface layer non-woven fabric, and the amount of natamycin is the mass of the liquid-permeable surface layer non-woven fabric 0.1‰, the non-woven fabric after the double-layer sprayed antibacterial agent is pressed into the grid-shaped diversion groove, the non-woven fabric is open-hole PP hot-rolled non-woven fabric, the hole area is 0.2mm ² , the opening rate is 20%, and then according to The shape of the product requires cutting to obtain the antibacterial liquid-permeable surface layer; the preparation method of the antibacterial functional absorbent core is to combine 0.3% of the biocidal agent ε-polylysine hydrochloride and 0.1% of the core material by mass ratio Natamycin, the superabsorbent resin whose mass ratio accounts for 30% of the core material and the gamma-polyglutamic acid whose mass ratio accounts for 25% of the core material, and the fluff pulp whose mass ratio accounts for 44.6% of the core material are mixed evenly, and the mixed The functional absorbent material is press-molded, and can also be further cut according to the shape requirements of the product; the prepared antibacterial functional absorbent core is covered with an antibacterial liquid-permeable surface layer and a microporous breathable film bottom layer, respectively, and compacted and bonded.

Embodiment Three

A biological antibacterial water-absorbing sanitary material, comprising an antibacterial liquid-permeable surface layer, an antibacterial functional absorbent core, and a liquid-impermeable bottom layer sequentially stacked from top to bottom, and the antibacterial liquid-permeable surface layer is finished by a biological antibacterial agent The biological antibacterial agent is 0.2‰ of ε-polylysine hydrochloride, 0.1‰ of ε-polylysine, 0.1‰ of nisin and 0.1‰ of natamycin, bio-antibacterial agent finished non-woven fabric pressed longitudinal diversion groove, the non-woven fabric is open-hole ES hot air non-woven bio-cellulose composite film, the surface layer is made of ES material, and the bottom layer is made of bio-cellulose material Quality, ES biocellulose composite film can enhance the flexibility and water absorption of the antibacterial liquid-permeable surface layer, the pore area is 0.1mm ² , the opening rate is 10%, and the antibacterial absorbent core includes ε- Polylysine hydrochloride, 0.1% ε-polylysine, 0.1% nisin and 0.1% natamycin, the mass ratio accounts for 25% of the superabsorbent resin of the core material, and the mass ratio of fluff pulp accounts for the core 73.5% of the core material, the plant extract is 0.5% rose essential oil and 0.5% lavender essential oil with a mass ratio of the core material, and the back layer is a microporous breathable film.

A method for preparing a biological antibacterial water-absorbing sanitary material, including the preparation of an antibacterial liquid-permeable surface layer and an antibacterial functional absorbent core. The preparation method of the antibacterial liquid-permeable surface layer is: spraying liquid-permeable The quality of the surface non-woven fabric is 0.2‰ of ε-polylysine hydrochloride, 0.1‰ of ε-polylysine, 0.1‰ of nisin and 0.1‰ of natamycin, after the single layer is sprayed with antibacterial agent The non-woven fabric presses the longitudinal diversion groove, the non-woven fabric is ES hot-air non-woven bio-cellulose composite film, the pore area is 0.1 mm ² , the opening rate is 10%, and then cut according to the shape requirements of the product to obtain the antibacterial permeable liquid Antibacterial surface layer; the preparation method of the antibacterial functional absorbent core is to first account for ε-polylysine hydrochloride of 0.2% of the core material, 0.1% of ε-polylysine, 0.1% of nisin and 0.1% Natamycin, the superabsorbent resin accounting for 25% of the core material mass ratio, and the fluff pulp accounting for 73.5% of the core material mass ratio are mixed evenly, and then mixed with 0.5% rose essential oil and 0.5% lavender essential oil whose mass ratio is the core material Evenly, the mixed functional absorbent material is pressed into shape, and can also be further cut according to the shape requirements of the product; the prepared antibacterial functional absorbent core is covered with an antibacterial liquid-permeable surface layer and a microporous breathable film bottom layer respectively. Compacted and bonded.

Embodiment four

A biological antibacterial water-absorbing sanitary material, comprising an antibacterial liquid-permeable surface layer, an antibacterial functional absorbent core, and a liquid-impermeable bottom layer sequentially stacked from top to bottom, the antibacterial liquid-permeable surface layer is a double-layer biological antibacterial The non-woven fabrics treated with antibacterial agents, the biological antibacterial agents are ε-polylysine hydrochloride, 0.2‰ nisin and 0.1‰ natamycin, which account for 0.2‰ of the mass of the liquid-permeable surface non-woven fabric. The non-woven fabric that has been finished with the agent is used to press the grid-shaped diversion groove. The non-woven fabric is a double-layer perforated PP biocellulose composite film with a pore area of 0.1mm ² and a porosity of 15%. The antibacterial absorbent core includes a mass ratio of Core material 0.2% ε-polylysine hydrochloride, 0.2% nisin and 0.1% natamycin, the mass ratio accounts for 25% gamma-polyglutamic acid in the core material, and the mass ratio of fluff pulp accounts for the core material 74% of the jasmine essential oil, the plant extract is 0.5% jasmine essential oil with a mass ratio of the core material, and the back layer is a microporous breathable film.

A method for preparing a biological antibacterial water-absorbing sanitary material, including the preparation of an antibacterial liquid-permeable surface layer and an antibacterial functional absorbent core. The preparation method of the antibacterial liquid-permeable surface layer is: spraying liquid-permeable ε-polylysine hydrochloride, 0.2‰ nisin and 0.1‰ natamycin of surface layer non-woven fabric quality 0.2‰, press the non-woven fabric after double-layer spraying antibacterial agent into longitudinal diversion groove, without The woven fabric is a double-layer perforated PE biocellulose composite film. The surface layer of the composite film is PP and the lower layer is a biocellulose layer. The double-layer composite film is placed in contact with the biocellulose surface to form a PP-biocellulose-biocellulose-PP sandwich The structure can effectively increase the water absorption rate, reduce the reverse permeability, the pore area is 0.1mm ² , and the opening rate is 10%, and then cut according to the shape requirements of the product to obtain the antibacterial liquid-permeable surface layer; the preparation method of the antibacterial functional absorbent core For first accounting for ε-polylysine hydrochloride, 0.2% nisin and 0.1% natamycin by mass ratio of core material, γ-polyglutamic acid accounting for 25% of core material mass ratio, accounting for The fluff pulp with a mass ratio of 74% of the core material is evenly mixed, and then mixed evenly with 0.5% jasmine essential oil with a mass ratio of the core material, and the mixed functional absorbent material is pressed into shape, and can be further cut according to the shape requirements of the product; The prepared antibacterial functional absorbent core is covered with an antibacterial liquid-permeable surface layer and a microporous breathable film bottom layer respectively, and compacted and bonded to form.

The biological antibacterial water-absorbing sanitary material prepared by the method of the utility model adopts a food-grade biological bactericide, which has good bactericidal effect, wide antibacterial spectrum, high stability, and can withstand various overall sterilizations such as high-temperature steam, ethylene oxide, and ionizing radiation. Bacteria method, good water absorption, low reverse osmosis rate. It has been tested that the product has a 24-hour sterilization rate of 100% against Escherichia coli, Bacillus, mold and other microorganisms, and can be used for medical hygiene materials and daily water-absorbing materials.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto. The equivalent replacement or change of the new technical solution and the concept of the utility model shall be covered by the protection scope of the utility model.

Claims (1)

1. A kind of 1. biological antibiotic hydroscopic sanitary material, it is characterised in that：Described biological antibiotic hydroscopic sanitary body of material is from upper To lower including antibacterial liquid permeability surface layer, antiseptic absorbent cores and opaque liquid bottom；Described antibacterial liquid permeability surface layer is In individual layer or bilayer epsilon-polylysine and/or epsilon-polylysine hydrochloride, natamycin, nisin (nisin) The non-woven fabrics that one or more of biological antibiosis agents arranged, the non-woven fabrics compacting longitudinal direction or grid type that biological antibiosis agent arranged are led Chute, non-woven fabrics are that perforate ES (Ethylene-Propylene Side By Side) or PP (polypropylene) hot blasts or hot rolling are non- Woven cloths or non-woven cloth biology cellulose composite membrane, hole area 0.05-0.2mm², percent opening 8-20%；Described antibacterial work( Epsilon-polylysine and/or epsilon-polylysine hydrochloride, natamycin, nisin (nisin) can be contained in property absorbent cores In one or more of biological antibiosis agents；Opaque liquid bottom is microporous breathable film.